So, you space factoring trinomials and also when you get to a trinomial that has actually a lead coefficient better than 1, you start to panic. Does that sound familiar?

Confused currently because you aren"t certain what a lead coefficient greater than 1 means?"

Yes, you"ve probably uncovered that this trinomials are a little more difficult to factor. But, no worries, if friend can factor by grouping, then i am going to display you a very simple, easy method to element these trinomials.

You are watching: Factoring with leading coefficient greater than 1

## Example 1: Factoring a Trinomial

Factor the trinomial: 3x2 - 24x - 8.

Our first step is come "set up" the problem so that we can aspect this trinomial through grouping. In order to variable by grouping, us will have to rewrite the trinomial with 4 terms. Salary close attention to how this is done.

We first need to recognize two "Magic Numbers". We will discover these number by utilizing the adhering to method:

Did you notice how we uncovered the two "magic numbers" and they aided us to rewrite the trinomials with 4 terms. Ns hope that you also noticed that the new polynomial with 4 terms is still indistinguishable to the initial trinomials. Once you integrate like terms, we end up with the same middle term the is had in the original trinomial.

Once you have a brand-new set-up with four terms, you can use the grouping an approach to proceed factoring this trinomial. I uncover it to it is in much easier than the guess and check an approach and ns hope you perform too!

Now we will certainly take a look at one much more example. In this instance take keep in mind of the my very first step.

## Example 2: Factoring with a lead Coefficient higher Than One

Factor: 12x2+14x + 4

I notification that this trinomial has actually larger numbers and the first thing I"m walking to perform it see if there is a greatest common factor (GCF) that ns can aspect out of this trinomial. This will enable me to occupational with smaller numbers.

I hope that these 2 examples help you to aspect these difficult trinomials. If you had actually trouble, you might want come go earlier and inspect out the factoring by grouping lesson as that is a prerequisite come this lesson.

Wishing you every the best!

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